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Zn-Al-Mg coated steel is a next-generation corrosion-resistant steel featuring a ternary alloy coating of zinc, aluminum, and magnesium. Compared to traditional galvanized steel, it delivers 3 to 10 times longer service life, thanks to the magnesium content that forms a dense, self-healing protective layer at cut edges and scratches. Its superior resistance to salt spray, humidity, and acidic environments makes it ideal for roofing, solar panel frames, agricultural structures, automotive components, and marine applications. Lightweight yet durable, Zn-Al-Mg steel is rapidly replacing standard galvanized products across the construction and energy sectors worldwide.